middleware/netware/ethernetbuffer.c File Reference

Go to the source code of this file.

Functions
void	F_EthernetBufferInit (void)
void	F_EthernetBufferSvc (void)
void	F_EthernetBufferReset (ETHBUFFER *pBuffer)
ETHBUFFER *	F_EthernetBufferAllocate (void)
void	F_EthernetBufferRelease (ETHBUFFER *pBuffer)
INT8U *	F_EthernetBufferPut (ETHBUFFER *pBuffer, INT32U Length)
INT8U *	F_EthernetBufferPull (ETHBUFFER *pBuffer, INT32U Length)
INT8U *	F_EthernetBufferPush (ETHBUFFER *pBuffer, INT32U Length)
void	F_EthernetBufferReserve (ETHBUFFER *pBuffer, INT32U Length)
void	F_EthernetBufferDump (INT8U *pData, INT32U Length)
Variables
ETHBUFFER_CONTROL	EthBufferCtrl
ETHBUFFER	EthBuffer [ETHBUFFER_NUMBER]

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Function Documentation

ETHBUFFER * F_EthernetBufferAllocate

(

void

)

Definition at line 39 of file ethernetbuffer.c.

                                         {
    ETHBUFFER *pBuffer;
    
    pBuffer=&EthBuffer[EthBufferCtrl.BufferIndex];
    EthBufferCtrl.BufferIndex++;
    if(EthBufferCtrl.BufferIndex>=5) EthBufferCtrl.BufferIndex=0;
    F_EthernetBufferReset(pBuffer);
    return pBuffer;
}

void F_EthernetBufferDump	(	INT8U *	pData,
		INT32U	Length
	)

Definition at line 70 of file ethernetbuffer.c.

                                                     {
    INT32U i=0,j=0;
    
    i=0;
    j=0;              
    myprintf("\n Length=%4x ",Length);
    for(i=0;i<Length;i++){
        if(j==0) myprintf("\n %4x0h ",(i/16));
        #if(DEBUG_ETHERNET_BUFFER)
            myprintf("%2x ",*pData);
        #endif    
        j++;
        pData++;
        if(j==16) j=0;
        //if(i>=0x60) break;
    }        
    #if(DEBUG_ETHERNET_BUFFER)
        myprintf("\n ");
    #endif 
}

void F_EthernetBufferInit

(

void

)

Definition at line 24 of file ethernetbuffer.c.

                               {
    EthBufferCtrl.BufferIndex=0; 
    EthBufferCtrl.Status=0;     
    EthBufferCtrl.State=0;  
}

INT8U * F_EthernetBufferPull	(	ETHBUFFER *	pBuffer,
		INT32U	Length
	)

Definition at line 55 of file ethernetbuffer.c.

                                                             {
    pBuffer->pData+=Length;
    pBuffer->Length-=Length;
    return pBuffer->pData; 
}

INT8U * F_EthernetBufferPush	(	ETHBUFFER *	pBuffer,
		INT32U	Length
	)

Definition at line 62 of file ethernetbuffer.c.

                                                             {
    pBuffer->pData-=Length;    
    pBuffer->Length+=Length;   
    return pBuffer->pData; 
}

INT8U * F_EthernetBufferPut	(	ETHBUFFER *	pBuffer,
		INT32U	Length
	)

Definition at line 49 of file ethernetbuffer.c.

                                                            {
    pBuffer->Length+=Length;
    return pBuffer->pData; 
}

void F_EthernetBufferRelease

(

ETHBUFFER *

pBuffer

)

Definition at line 48 of file ethernetbuffer.c.

{}

void F_EthernetBufferReserve	(	ETHBUFFER *	pBuffer,
		INT32U	Length
	)

Definition at line 67 of file ethernetbuffer.c.

                                                              {
    pBuffer->pData+=Length;
}

void F_EthernetBufferReset

(

ETHBUFFER *

pBuffer

)

Definition at line 30 of file ethernetbuffer.c.

                                              {
    //memset(pBuffer,0,sizeof(ETHBUFFER));
    memset(pBuffer,0,5);
    pBuffer->Pad[0]=0x00;
    pBuffer->Pad[1]=0x00;
    pBuffer->TrueSize=ETHERNET_FRAME_LEN; // 1514
    pBuffer->pData=pBuffer->Data; 
    pBuffer->Length=0;
}

void F_EthernetBufferSvc

(

void

)

Definition at line 29 of file ethernetbuffer.c.

{}

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Variable Documentation

ETHBUFFER EthBuffer[ETHBUFFER_NUMBER]

Definition at line 12 of file ethernetbuffer.c.

ETHBUFFER_CONTROL EthBufferCtrl

Definition at line 11 of file ethernetbuffer.c.